Contract Scripting Language (CSL)

Scenario:

Andrew has $20 Dollars and wants Lasagna.
Christine has Lasagna and wants $25 Dollars.


Contract script:

Andrew         Offer           $20
Andrew         Terms           Lasagna

Christine      Terms           $25

Andrew         Accept
Computer       Notice          "This is a legal binding contract."

Christine      Deliver         Lasagna
Andrew         Deliver         $25
Computer       Notice          "Contract complete."

Computer is performing as the lawyer above. This introduces the idea of Computer as a legal entity. You could create a contract between a Computer and a Human with specific Terms, such as the Human must keep the computer running and the Computer must keep the ledger.


Example of a 3-party equilateral contract

Scenario:

Andrew has Dollars and wants Yen.
Matthew has British Pounds and wants Dollars.
Since we have non-matching value, we advertise on Bank of England's book and also market it on Forex.
Bank of Japan sees the opportunity and translates the value.

Contract script:

CommerceID     EventType       Description
Andrew         Offer           2,000 USD
Andrew         Terms           200,000 JPY
Computer       Notice          "This is a legal offer from Andrew."

Matthew        Offer           1,500 GBP
Matthew        Terms           2,000 USD
Computer       Notice          "This is a legal offer from Matthew."

Andrew         Terms           210,000 JPY
Andrew         Counter
Computer       Notice          "Terms-value change from Andrew."

Matthew        Terms-Advertise Bank of England
Matthew        Counter
Computer       Notice          "Terms-Advertise change from Matthew."

Andrew         Terms-Advertise Forex
Andrew         Terms-Advertise Bank of England
Andrew         Counter
Computer       Notice          "Terms-Advertise change from Andrew."

Matthew        Accept
Computer       Notice          "This is a 2-party legal offer."

Bank of Japan  Offer           210,000 JPY
Bank of Japan  Terms           1,500 GBP
Computer       Notice          "This is a 3-party equilateral contract between Andrew, Matthew, and Bank of Japan."

Andrew         Deliver         2,000 USD
Matthew        Deliver         1,500 GBP
Bank of Japan  Deliver         210,000 JPY

Andrew         Complete
Matthew        Complete
Bank of Japan  Complete

Computer       Notice          "Contract complete"

This is a 3-party contract and can be used to settle currencies or for barter.